Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project idea investigates how images are influenced by changes in light.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This experiment will explore the best way to create a perfect soft-boiled egg.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.